<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
welcome to login !
<FORM action="">
    username:<input type="text" name="usernamen"/><br/>
    password:<input type="password" name="password"/><br/>
    <input type="submit" value="submit"/>
</FORM>
</body>
</html>